/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.jbpm.workflow.instance.rule;

import java.util.Optional;
import java.util.ServiceLoader;

import org.jbpm.workflow.instance.node.RuleSetNodeInstance;

public class RuleFlowGroupRuleType extends AbstractRuleType {

    static Optional<RuleFlowGroupRuleTypeEngine> ruleTypeEngineProvider;

    static {
        ServiceLoader<RuleFlowGroupRuleTypeEngine> providers = ServiceLoader.load(RuleFlowGroupRuleTypeEngine.class);
        ruleTypeEngineProvider = providers.findFirst();
    }

    protected RuleFlowGroupRuleType(String name) {
        super(name);
    }

    @Override
    public boolean isRuleFlowGroup() {
        return true;
    }

    @Override
    public void evaluate(RuleSetNodeInstance rsni) {
        ruleTypeEngineProvider.orElseThrow(() -> new IllegalArgumentException("Engine not found for executing RuleFlow rules")).evaluate(rsni, getName());
    }

    @Override
    public String toString() {
        return "RuleFlowGroupRuleType{" +
                "name='" + name + '\'' +
                '}';
    }

}
